Keysight (Agilent) 53220A is a 350 MHz, two‑channel universal frequency counter/timer in the 53200A Series. It offers up to 12 digits/second frequency resolution, 100 ps single‑shot time‑interval resolution, fast reading rates, a large color graphical display, and standard LAN (LXI‑C) and USB connectivity with optional GPIB.

Specifications

General

ParameterValue
InterfacesLAN (LXI Class C), USB 2.0 device, USB host (mass storage), optional GPIB
Display4.3-inch color graphical display (trend/histogram views)
Instrument classUniversal frequency counter/timer
Series53200A Series
Model description350 MHz universal frequency counter/timer (two channels)

Inputs & Channels

ParameterValue
Number of input channels (base)2 (350 MHz)
Optional RF input channel1 (by option; 6 GHz or 15 GHz)

Frequency

ParameterValue
Base input bandwidth (Ch 1/2)up to 350 MHz
RF frequency range (option)up to 6 GHz or up to 15 GHz (option‑dependent)

Performance

ParameterValue
Frequency resolution performanceup to 12 digits/second

Time Interval

ParameterValue
Single‑shot time‑interval resolution100 ps

Measurement Speed and Buffering

ParameterValue
Internal reading memory1,000,000 readings

Data Handling and Storage

ParameterValue
USB mass storage supportUSB memory stick supported

Display and User Interface

ParameterValue
Display type/size4.3-inch color graphical display

Math, Statistics, and Analysis

ParameterValue
Built‑in analysisMath and statistical analysis
Allan deviationBuilt‑in computation/display

Connectivity and Interfaces

ParameterValue
LAN interfaceEthernet with LXI Class C compliance
USB device interfaceUSB 2.0 (control)
USB host portFront-panel USB host (mass storage) only; no rear USB host port
GPIB interfaceOptional

Remote Programming and Software

ParameterValue
SCPI compatibilityCommand compatible with Agilent 53131A/53132A/53181A

Measurement Functions

ParameterValue
Measurement types (core)Frequency and time‑interval measurements

Options and Configurations

ParameterValue
RF extension optionsThird channel to 6 GHz or 15 GHz (option‑dependent)
Optional batteryNo battery option